优化消息列表组件，更新刷新状态提示样式，提升用户体验和可读性。

Touchkebao/src/pages/pc/ckbox/weChat/components/SidebarMenu/MessageList/MessageList.module.scss

@@ -171,20 +171,6 @@
     }
   }
 
-  // 同步状态提示
-  .refreshIndicator {
-    padding: 8px;
-    text-align: center;
-    font-size: 12px;
-    color: #999;
-    background: #f5f5f5;
-    border-bottom: 1px solid #e8e8e8;
-
-    :global(.ant-spin) {
-      margin-right: 6px;
-    }
-  }
-
   // 加载状态
   .loading {
     padding: 16px;
@@ -192,3 +178,12 @@
     color: #999;
   }
 }
+// 刷新提示
+.refreshingTip {
+  padding: 8px 15px;
+  background-color: #e6f7ff;
+  border-bottom: 1px solid #91d5ff;
+  color: #1890ff;
+  font-size: 12px;
+  text-align: center;
+}

Touchkebao/src/pages/pc/ckbox/weChat/components/SidebarMenu/MessageList/index.tsx

@@ -526,9 +526,7 @@ const MessageList: React.FC<MessageListProps> = () => {
     <div className={styles.messageList}>
       {loading && <div className={styles.loading}>加载中...</div>}
       {refreshing && !loading && (
-        <div className={styles.refreshIndicator}>
-          <Spin size="small" /> 正在同步...
-        </div>
+        <div className={styles.refreshingTip}>正在同步消息...</div>
       )}
 
       <List